• 001 – 099 Phoenix
• 101 – 109 Sun City West
• 121 – 129 El Mirage
• 131 – 139 Sun City
• 141 – 149 Daisy Mountain
• 151 – 159 Glendale
• 161 – 169 Tolleson
• 171 – 179 Avondale
• 181 – 189 Goodyear
• 191 – 199 Peoria
• 201 – 229 Mesa
• 231 – 239 Sun Lakes
• 241 – 249 Guadalupe
• 251 – 259 Gilbert
• 261 – 269 Apache Junction
• 271 – 279 Tempe
• 281 – 289 Chandler
• 291 – 299 Salt River
• 301 – 309 Surprise
• 321 – 329 Buckeye Valley
• 331 – 339 Black Canyon City
• 341 – 349 Tonopah
• 351 – 359 Palo Verde Nuclear
• 361 – 369 Luke Air Force Base
• 371 – 379 Harquahala
• 381 – 389 Gila Bend

• 401 – 409 Fort McDowell
• 421 – 439 Gila River
• 501 – 515 Casa Grande Fire Dept.
• 516 – 519 Stanfield Fire Dist.
• 521 – 529 Eloy Fire Dist.
• 531 – 539 Coolidge Fire Dept.
• 541 – 549 Florence Fire Dept.
• 551 – 555 Queen Valley Fire Dist.
• 556 – 559 Thunderbird Farms Fire Dist.
• 561 – 565 Ak-Chin Fire Dept.
• 566 – 569 Arizona City Fire Dist.
• 571 – 585 Maricopa Fire Dist.
• 586 – 589 Regional Fire Rescue
• 591 – 595 Western Fire
• 601 – 629 Scottsdale
• 631 – 699 Eastern Pinal County
• 701 – 729 Town of Buckeye
• 801 – 899 Rural Metro
• 901 – 999 Phoenix Adaptive Units*
• 2001 – 2299 Mesa Adaptive Units*
• 2801 – 2899 Chandler Adaptive Units*

* Apparatus assigned to high-volume stations to provide additional resources in the area or provide move-up capabilities within the PFDRDC. This means the apparatus moves geographically where needed to fill voids due to high activity, training or service repairs.